The Desert Laboratory

The Vigil Network
Big View Slope: Table 1 - Elevation and Distance Data for Nail-Washer Line

Data Files:


July 21, 1963 July 31, 1965 June 19, 1966
Distance from top BM (ft) Elevation (ft) Distance from top BM (ft) Remarks (erosion in ft) Distance from top BM (ft) Remarks (erosion in ft)
0 - BM 1000.00 0 0
0 1000.83
0 998.87
20.05 994.33 20.07 - 20.07 -
40.05 988.99 40.10 0 net, 0.04 max 40.05 buried 0.02
60.00 982.92 60.06 0.02 net 60.05 -
79.96 976.78 80.03 0 net, 0.02 max 79.98 -
99.97 970.36 100.01 0 net, 0.02 max 100.01 buried 0.02
119.96 963.28 120.00 0 net, 0.02 max 119.97 -
140.02 955.95 140.08 - 140.02 -
159.35 948.67 159.38 0.05 net 159.32 0.04 net
180.96 940.51 not checked 180.97 buried 0.04
200.00 932.78 200.08 0 net, 0.02 max 200.00 buried 0.02
219.97 924.52 220.04 0.02 net 219.97 -
240.02 916.12 240.02 buried 0.16 239.98 -
260.08 908.10 260.08 buried 0.02 260.04 -
280.03 899.90 280.03 - 280.00 -
300.00 891.60 300.00 - 299.97 -
320.00 883.52 320.13 - not checked

Dash in remarks column indicates pin at ground surface; as installed.

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